package org.ilead.iserve.dao.impl;

import java.util.List;

import org.hibernate.LockMode;
import org.ilead.iserve.dao.IUserDAO;
import org.ilead.iserve.model.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 * A data access object (DAO) providing persistence and search support for User
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see org.ilead.iserve.model.User
 * @author MyEclipse Persistence Tools
 */

public class UserDAO extends HibernateDaoSupport implements IUserDAO{
	private static final Logger log = LoggerFactory.getLogger(UserDAO.class);

	protected void initDao() {
		// do nothing
	}

	public void save(User transientInstance) {
		log.debug("saving User instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(User persistentInstance) {
		log.debug("deleting User instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}
	
	public void deleteById(Integer id) {
		log.debug("delete User by id");
		try {
			getHibernateTemplate().delete("id", id);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public User findById(java.lang.Integer id) {
		log.debug("getting User instance with id: " + id);
		try {
			User instance = (User) getHibernateTemplate().get(
					"org.ilead.iserve.model.User", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(User instance) {
		log.debug("finding User instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding User instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from User as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByLoginName(Object loginName) {
		return findByProperty(LOGIN_NAME, loginName);
	}

	public List findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}
	
	public User findByLoginNameAndPassword(String loginName, String password){
		try {
			String queryString = "from User as model where model."
					+ LOGIN_NAME + "= " + loginName + "model." + PASSWORD + "model." + STATE +"!= 0";
			List<User> userList = getHibernateTemplate().find(queryString);
			
			return userList != null ? null : userList.get(0);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByUserName(Object userName) {
		return findByProperty(USER_NAME, userName);
	}

	public List findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	public List findByPhone(Object phone) {
		return findByProperty(PHONE, phone);
	}

	public List findByQq(Object qq) {
		return findByProperty(QQ, qq);
	}

	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List findByImage(Object image) {
		return findByProperty(IMAGE, image);
	}

	public List findByState(Object state) {
		return findByProperty(STATE, state);
	}

	public List findByAreaId(Object areaId) {
		return findByProperty(AREA_ID, areaId);
	}

	public List findByGroupName(Object groupName) {
		return findByProperty(GROUP_NAME, groupName);
	}

	public List findByPermission(Object permission) {
		return findByProperty(PERMISSION, permission);
	}

	public List findAll() {
		log.debug("finding all User instances");
		try {
			String queryString = "from User";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
	public List findByPermission(int permission){
		try {
			String queryString = "from User u where u.permission>=?";
			return getHibernateTemplate().find(queryString, permission);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public User merge(User detachedInstance) {
		log.debug("merging User instance");
		try {
			User result = (User) getHibernateTemplate().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(User instance) {
		log.debug("attaching dirty User instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(User instance) {
		log.debug("attaching clean User instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static UserDAO getFromApplicationContext(ApplicationContext ctx) {
		return (UserDAO) ctx.getBean("UserDAO");
	}
}